On 30 Apr 2004, at 22:02, Anish Mistry wrote: > On Friday 30 April 2004 04:19 pm, John Baldwin wrote: >> On Thursday 29 April 2004 01:20 am, Benjamin Close wrote: >>> Hi All, >>> I like many have suffered the battery drain of the laptop screen >>> remaining on while the system is suspended. I've created a driver >>> that >>> allows the screen to be shutdown by DPMS provided acpi supports video >>> mode changes. Beware, this is my first kernel driver so it's nothing >>> great. Hopefully it will help someone with enough knowledge build a >>> better driver. >>> >>> It's a loadable kernel module and the only tweak required to get it >>> compiling should be in the Makefile. >>> >>> You can grab it from: >>> http://www.clearchain.com/people/benjsc/download/vesa_dpms.tar.gz >>> A URL as the list strips attachments. >> >> I merged this into the acpi_video(4) driver (which already takes over >> ACPI >> devices with a DOD, etc. handle) so that the two drivers aren't >> mutually >> exclusive. Unfortunately, my laptop doesn't have any _DOD, etc. >> methods >> for its video device so I can't test it. It's somewhat hackish as >> only >> i386 has VM86 support, but the patch is at: >> >> http://www.FreeBSD.org/~jhb/patches/acpi_video_dpms.patch > Just tested this, and it seems to work. :) Also appears to work on my ThinkPad X22... very useful! -- Colin Perkins http://csperkins.org/Received on Fri Apr 30 2004 - 15:10:56 UTC
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